How do you get started at mathematical modeling? Here is an easy, quick, and engaging activity and a “just add data” interactive Excel spreadsheet to accomplish that first modeling task. The task ...More: lessons, discussions, ratings, reviews,...

This eModule uses interactive graphs to help students deepen their understanding of slope and extend the definition of slope to writing the equation of lines. Online worksheets with immediate feedback...More: lessons, discussions, ratings, reviews,...

A video that focuses on the TI-Nspire graphing calculator in the context of teaching algebra. In this program the TI-Nspire is used to explore the nature of linear functions. Examples ranging from ...More: lessons, discussions, ratings, reviews,...

This eModule uses interactive graphs to help students deepen their understanding of slope and extend the definition of slope to writing the equation of lines. Online worksheets with immediate feedback...More: lessons, discussions, ratings, reviews,...

This packet contains a copy of the original problem used to create the activity, rationale and explanation behind the “I Notice, I Wonder” focal activity, and some thoughts on why this activity works ...More: lessons, discussions, ratings, reviews,...

This packet contains a copy of the original problem used to create the activity, rationale and explanation behind the “Doing it Wrong” focal activity, and some thoughts on why this activity works well...More: lessons, discussions, ratings, reviews,...

This packet contains a copy of the original problem used to create the activity, rationale and explanation behind the “Change the Representation” focal activity, and some thoughts on why this activity...More: lessons, discussions, ratings, reviews,...

This application is a basic tool for learning algebra. Users try to solve a system of linear equations with two equations and two unknown variables. It is based on the same problem used in the free ap...More: lessons, discussions, ratings, reviews,...

Students guess the total weight of a cart loaded with a given number of bricks. This requires them to interpret and apply data from the linear model. [Access requires setting up a (free) login.]More: lessons, discussions, ratings, reviews,...

Students find the optimal price for an insurance company premium in this game by interpreting data and applying their understanding of linear and quadratic models. [Access requires setting up a (free)...More: lessons, discussions, ratings, reviews,...

Students try to push disks using varying amounts of force and earn higher scores when they land on a pad without falling off. They learn to interpret data from the linear model relating the distance t...More: lessons, discussions, ratings, reviews,...

In addition to the regular build-your-own pizzas, Papa John’s also offers a number of specialty pizzas, from The Works to Garden Fresh to Hawaiian BBQ Chicken. They sound delicious, but are they actua...More: lessons, discussions, ratings, reviews,...

Lots of real-world data, with descriptions of environmental and mathematical implications; stored in a variety of formats for easy download. Catalogued by mathematical topic and by environmental topi...More: lessons, discussions, ratings, reviews,...

Interpolation and extrapolation are two concepts in mathematical modeling that are very important for making predictions, an important science process, especially as students begin exploring linear mo...More: lessons, discussions, ratings, reviews,...

How do you get started at mathematical modeling? Here is an easy, quick, and engaging activity and a “just add data” interactive Excel spreadsheet to accomplish that first modeling task. The task ...More: lessons, discussions, ratings, reviews,...

Linear regression is a powerful technique for fitting data as students begin mathematical modeling. This is a quick introduction to the technique using an interactive spreadsheet that gives students ...More: lessons, discussions, ratings, reviews,...

Line Gem 1 is a game created to help users learn how to graph linear equations on a Cartesian coordinate plane. Users pick the right linear equation so their dragon can fly the correct path to get as ...More: lessons, discussions, ratings, reviews,...

The Green family is planning a one-week vacation in Florida and needs to rent a car while there. They must decide which of four rental plans to choose. Students construct graphs to see which plan is b...More: lessons, discussions, ratings, reviews,...

The Green family is planning a one-week vacation in Florida and needs to rent a car while there. They must decide which of four rental plans to choose. Students will enter data into a spreadsheet and ...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.